600D not working after long time not beeing used

[mark3rr]

Hello everyone,
This is my first Post here.
Today it pointed out that my EOS 600D is not working after a long period of time that it is not used.

  Magic Lantern Rescue
 ----------------------------
 - Model ID: 0x286 600D
 - Camera model: Canon EOS 600D / Kiss X5
 - Firmware version: 1.0.2 / 3.8.3 50(1b)
 - IMG naming: 100CANON/IMG_2095.JPG
 - Boot flags: FIR=0 BOOT=-1 RAM=-1 UPD=-1
 - ROMBASEADDR: 0xFF010000
 - card_bootflags 108538
 - boot_read/write_sector 108d34 108d6c
 - 102320 Card init => 0
 - Patching 102330 from e3510001 to e3510000
 - 102320 Card init #2 => 2
 - Dumping ROM0... 100%
 - MD5: c176138149c1dda74bc78bc751dd51c6
 - Dumping ROM1... 100%
 - MD5: 34d524e120e9d9bef17a2b5ec08684f9
 - No serial flash.
 - Saving RESCUE.LOG ...

[Walter Schulz]

What happens with extracted nightly build content on card?

Remove battery
Insert card
Insert battery
Close compartment doors
Try to power on camera.

Any activity?

What happens without card inserted?
What happens with spare clean card (formated in PC)?

[mark3rr]

Hi,
thank you for your reply. Just left my EOS 600D on my desk since this error occured and today I wanted to go trough your steps and when I turned the Cam on it just worked..
 

[Walter Schulz]

Remote magic at work! 
Please be so kind to change first post's subject by adding prefix [Solved].